Reference Number and PO Number: Definition and Examples

What is Reference Number and PO Number?

A reference number or purchase order number is an identifier used by the shipper, consignee or receiving site to recognize a shipment. It may be required at a dock, reception desk or on shipping documents.

Why it matters

Using the correct identifier helps a site match freight with an order and can reduce delays at pickup or delivery.

What to provide when requesting a quote

• Reference or PO number exactly as provided
• Where the number must appear
• The receiving contact or department
• Any additional site instructions

Planning a shipment with DAGO Express

Add the relevant identifier to the quote request so it can be included in the confirmed shipment information. Use the quote and booking tool to share the shipment details.

Frequently asked questions

When should I provide this information?

Include it with the first quote request whenever possible. Complete information helps the team assess the route, vehicle and timing without unnecessary follow-up.

What if the details change after booking?

Tell DAGO Express as soon as something changes. The available options can then be reviewed and any revised arrangement confirmed in writing.

Related terms: bill of lading, proof of delivery, packing list.